Senior IT Administrator - Linux/Windows/Mac OS

CIMET


Date: 8 hours ago
City: Jaipur, Rajasthan
Contract type: Full time
Purpose Of The Position

We are looking for a Senior IT Administrator to manage and secure our Windows, macOS, and Linux environments, ensure compliance with ISO 27001, and optimize AWS cloud infrastructure.

Role

You will play a key role in IT security, network management, Linux/Windows system administration, employee onboarding/offboarding, and cloud service RESPONSIBILITES :

  • IT Security & ISO 27001 Compliance :
  • Draft and implement IT policies for ISO 27001 certification.
  • Manage endpoint security:
  • Windows Defender for Endpoint (MDR)
  • CrowdStrike Falcon (EDR/XDR)
  • BitLocker/FileVault encryption
  • Conduct security audits, risk assessments, and vulnerability scans.
  • Implement IAM, SSO, MFA, Zero Trust Security policies.
  • Harden Linux/Windows servers against cyber threats.
  • Windows, macOS & Linux System Administration :
  • Administer Windows Server (2016/2019/2022), Active Directory, Group Policy, DNS, DHCP, Hyper-V.
  • Manage macOS devices using Apple Business Manager and MDM (Jamf, Intune, or Kandji).

Linux Administration

  • Patch management & security hardening
  • User management, ACLs, Sticky Bit
  • LVM (Logical Volume Management) & SWAP management
  • NFS & Samba for file sharing
  • HAProxy for load balancing
  • Bind service (DNS configuration)
  • Cloud & Infrastructure Management :
  • Administer AWS Cloud Infrastructure:
  • EC2, S3, IAM, VPC, CloudWatch, Auto Scaling, Route 53
  • Linux-based web and application servers
  • Manage firewalls & VPN solutions (Fortinet, SonicWall, Palo Alto, Sophos).
  • Optimize network performance, storage, and load balancing.
  • Employee Onboarding & Offboarding :
  • Automate user provisioning/deprovisioning with PowerShell, AWS Lambda, or Bash scripting.
  • Manage user accounts, email access, and security permissions.
  • Maintain IT asset inventory & system access controls.
  • IT Support & Troubleshooting :
  • Provide L1/L2 support for Windows, macOS, and Linux issues.
  • Troubleshoot network, hardware, and software problems.
  • Maintain remote access solutions (VPN, RDP, QUALIFICATIONS :
  • Bachelors degree in Computer Science, IT, or a related field.
  • Certifications (preferred but not mandatory):
  • ISO 27001 Lead Implementer / Lead Auditor
  • Linux Foundation Certified System Administrator (LFCS) / RHCSA
  • AWS Certified SysOps Administrator
  • Microsoft Certified: Azure Administrator Associate / M365 Administrator
  • Jamf Certified Tech / Apple Certified Support Professional
  • CrowdStrike Falcon Administrator Certification
  • Cisco CCNA / Fortinet NSE / Palo Alto PCNSA
  • Strong expertise in Windows, macOS, Linux, Office 365, AWS, and security JOIN US ?
  • Work on cutting-edge cloud & cybersecurity technologies.
  • Be part of a fast-growing SaaS company leading ISO 27001 compliance.
  • Competitive salary and career growth opportunities in Linux, AWS, and security.

(ref:hirist.tech)

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